From
CST / CDT
Time Converter
CST to ACST Time Converter
Convert Central Time to Australian Central Time with a live clock and clean permalinks.
To
ACST / ACDT
When it is 7:30 AM in Central Time, it is 11:00 PM in Australian Central Time.
CST to ACST at a glance
Australian Central Time is 15 hours 30 minutes ahead of Central Time. If someone gives you a time in Central Time, move the clock by 15 hours 30 minutes to read it in Australian Central Time. A 9:00 AM start in Chicago becomes 12:30 AM in Adelaide.
What Central Time covers
Central Time is the working clock for a large part of the US and Canada. Cities like Chicago, Dallas, and Houston use it. It is often the middle ground when teams need to coordinate between the east coast and the west coast.
What Australian Central Time covers
Australian Central Time is used in Adelaide and surrounding regions, with a half-hour offset from many nearby markets. It matters when your schedule includes South Australia or mixed national coverage across Australia.
Quick answers
What is the time difference between CST and ACST?
Australian Central Time is 15 hours 30 minutes ahead of Central Time.
What happens to a 3:00 PM meeting in CST?
It lands at 6:30 AM in ACST.
Does daylight saving time matter for CST to ACST?
Central Time and Australian Central Time are shown using the offsets that are active right now, so the result already reflects any daylight saving change in effect today.